Can a phone call a week help heart patients live better?
NCT ID NCT04829617
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a 12-week phone program that uses positive psychology and motivational interviewing to help 280 heart failure patients stick to their diet, exercise, and medications. Participants get weekly phone sessions and text messages. The goal is to see if this approach improves overall adherence compared to standard education.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Positive Psychology-Motivational Interviewing (PP-MI) behavioral program
- What this could lead to
- If it works, this could offer a practical, phone-based way to help heart failure patients improve their daily habits and quality of life.
- What could go wrong
- This is a behavioral study with no drug, so benefits may be modest. Results depend on participants' engagement and may not apply to everyone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 280 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2021
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult patients with NYHA class I, II, or III HF. * Suboptimal adherence to health behaviors. This will be defined as a total score of ≤15 on three Medical Outcomes Study Specific Adherence Scale (MOS) items regarding diet/exercise/medications. Exclusion Criteria: * Cognitive deficits impeding a participant's ability to provide informed consent or participate, assessed via a 6-item cognitive test. * Medical conditions likely to lead to death within 6 months. * Inability to participate in physical activity due to another medical condition (e.g., arthritis). * Inability to read, write, or speak in English. * Current participation in another intervention or program that has been designed to promote well-being or health behavior adherence.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
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